Which of the following part of body vibrating during speech?
a) tongue
b) pharynx
c) vocal cords
d) trachea
Pitch of Sound:
The pitch of sound is determined by the
frequency of vibration of the sound waves that produce them.
Who of the
following have shrill sound?
a) girls
b) children
c) men
d) both a and b
Who of the following have grave sound?
a) girls
b) children
c) men
d) all of these
Why the sound of girls and children is shrill and that of males is grave?
a) they have same pitch
b) they have different pitch
c) they have different wavelength
d) they have same frequency
Shrill sound has……..frequency.
a) smaller
b) greater
c) both
d) none of them
